jpeg-js - npm Package Compare versions

Comparing version 0.0.4 to 0.1.0

lib/decoder.js

@@ -967,14 +967,12 @@ /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
   decoder.parse(arr);
-  var data =  decoder.getData(decoder.width, decoder.height);
-  var buf = new Buffer(decoder.width * decoder.height * 4);
-  var n = 0;
-  for (var i = 0; i < buf.length; i++) {
-    buf[i + (i/3 | 0)] = data[n++];
-    if (i % 4 == 3) buf[i] = 255;
-  }
-  return {
-    data: buf,
+
+  var image = {
     width: decoder.width,
-    height: decoder.height
+    height: decoder.height,
+    data: new Buffer(decoder.width * decoder.height * 4)
   };
+  
+  decoder.copyToImageData(image);
+  
+  return image;
 }

package.json

 {
   "name": "jpeg-js",
-  "version": "0.0.4",
+  "version": "0.1.0",
   "description": "A pure javascript JPEG encoder and decoder",
@@ -5,0 +5,0 @@ "main": "index.js",

test/index.js

@@ -41,2 +41,13 @@ var redtape = require('redtape'),
 
+it('should be able to decode a grayscale JPEG', function(t) {
+  var jpegData = fixture('apsara.jpg');
+  var rawImageData = jpeg.decode(jpegData);
+  t.equal(rawImageData.width, 580);
+  t.equal(rawImageData.height, 599);
+  var expected = fixture('apsara.rgba');
+  t.deepEqual(rawImageData.data, expected);
+  t.end();
+});
+
+
 it('should be able to encode a JPEG', function (t) {
@@ -43,0 +54,0 @@ var frameData = fixture('grumpycat.rgba');

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Improved metrics

Total package byte prevSize

1776133

increased by427.17%

Number of package files

16

increased by14.29%

Lines of code

1670

increased by0.24%

No dependency changes